There were major delays on part of the M4 after a car caught fire while thousands descended on Margam for the In It Together Festival. Queues built on the westbound and eastbound stretches of the motorway ahead of the festival.
In addition a car caught fire on the westbound carriageway at Junction 42 for Earlswood. The lane was shut for recovery and reopened at around 5.30pm.
It came as thousands descended on Old Park Farm from Friday to Sunday, for the three-day festival, which is headlined by Kaiser Chiefs, Becky Hill and Ronan Keating.
There were more queues around Wales today, May 23, as families set off on bank holiday and half-term getaways. Traffic Wales has warned that traffic is set to increase by approximately 15% on the M4 near Cardiff.
There were notable delays this evening on the M4 in Newport near Brynglas Tunnels.
There are also set to be a number of other major events held over the course of the next few days in the world of sport, music and Welsh culture.
The EPCR Challenge Cup Final began at the Principality Stadium in Cardiff on Friday night at 8pm, followed by the Investec Champions Cup Final, also at the home of Welsh rugby, on Saturday, with a 2.45pm kick-off. For our free daily briefing on the biggest issues facing the nation, sign up to the Wales Matters newsletter here
Also at Margam Country Park from May 26 until May 31 is the Eisteddfod yr Urdd.
Delays expected due to the European Rugby Challenge Cup Final with roads closure from 4pm until around midnight.
It affects roads between Cardiff Central station and the castle.
More information on closures here.
There is currently a 10 minute delay on the M4 in Newport near the Brynglas Tunnels.
There is still slow traffic on the M4 in Newport.
The road is affected westbound at the Brynglas Tunnels.
Travel time is an additional 40 minutes.
Delays are slowy easing on the M4 westbound from Briton Ferry.
It follows an earlier vehicle fire as well as bank holiday traffic.
The A4076 in Haverfordwest, Pembrokeshire, is now clear.
Traffic has returned to normal after an earlier broken down vehicle affected the road southbound.
Traffic on Pentwyn Drive in Cardiff has returned to normal following an earlier crash.
The Google traffic map below shows where traffic is at its slowest.
Currently it is taking around 33 minutes to drive from Port Talbot to Morriston via the M4.
It is currently taking about 18 minutes to drive from Morriston to Port Talbot via the M4.
Major delays remain on the M4 near Briton Ferry.
An earlier vehicle fire closed one lane on the westbound carriageway.
This reopened by 5.30pm but slow traffic continues.
The area was already congested due to bank holiday traffic and the In It Together festival in Margam.
There is traffic until J40, Port Talbot.
Pentwyn Drive in Cardiff is partially blocked in both directions due to a crash near Waun Fach.
There is heavy traffic and the bus service C1 is facing delays.
There are delays across the country, with particularly slow traffic on the following routes:
The below picture has been shared by Traffic Wales.
According to Inrix the fire has been distinguished.
One lane of the M4 in Briton Ferry is closed due to a vehicle fire, according to Inrix.
It is affecting the westbound carriageway at J42 A483 (Swansea East / Briton Ferry).
There is congestion up until J40 (Port Talbot / Taibach).
Traffic was already congested here due to the bank holiday weekend and the In It Together festival in Margam.
There is very slow moving traffic between Swansea and Margam in both directions.
A journey from Margam to Swansea on the M4 will currently take around 55 minutes. It will take more than one hour via the A48 and M4.
A journey from Swansea to Margam on the M4 will currently take around 40 minutes.
There is slow traffic in south west Wales ahead of the In It Together festival.
Just off junction 38 of the M4 huge acts are set to perform for the third year of the event.
The festival will take place from Friday until Sunday.
The Google traffic map below shows slow traffic in the area.
You can read more about the festival here.
Delays are expected in Cardiff city centre due to the European Rugby Challenge Cup Final, with road closures from 4pm until around midnight.
Roads are affected between Cardiff Central station and the castle.
Traffic service Inrix has updated its information on the location of the incident.
It states: "A4076 Vine Road southbound blocked, queueing traffic due to broken down vehicle from Haverfordwest to the petrol station (Haverfortwest)."
A4076 Dredgman Hill is blocked in both directions due to a broken down vehicle from Silverdale Close (Johnston) to Haverfordwest.
Traffic is building.
Cowbridge Road West in Cardiff has reopened after a "small" crash.
South Wales Police confirmed officers did attend, but the crash had already cleared.
There's delays on M4 westbound between junction 38 A48 (Margam off slip) and junction 41 A48 / B4286 (Baglan).
Travel time is 15 minutes.
Delays continue on M4 Brynglas Tunnels westbound before junction 26 A4051 (Malpas Road).
Travel time is now estimated to be 30 minutes.
Cardiff's A48 Cowbridge Road west is closed in both directions due to an obstruction on the road from Heol-Y-Felin to Colin Way.
There's a diversion in place, affecting bus services 13, 17, 18 and 96.
Traffic Wales has advised drivers to plan ahead this bank holiday weekend.
It wrote:
Planning a getaway for the bank holiday weekend? Plan ahead to avoid travel stress and parking headaches. Whether it's checking your vehicle, mapping out routes, or booking parking in advance, a little prep goes a long way. Enjoy a hassle-free holiday!
There's slow traffic on A4050 Port Road northbound between Station Road east (Wenvoe) and A48 Cowbridge Road west / A4232 (Culver House Cross).
Travel time is ten minutes.
In Chirk, there's slow traffic on A5 Chirk Bypass northbound at A483 (Halton roundabout).
Travel time is ten minutes.
In Wrexham, one lane is closed due to a broken down vehicle on A483 southbound from junction six A5156 (Gresford Interchange) to junction five A541 Mold Road (Gwersyllt).
Cardiff's Pentwyn Drive is partially blocked in both directions.
It has resulted in heavy traffic due to an accident near Waun Fach.
Bus service C1 is facing delays.
In It Together is back at Margam, Port Talbot, with thousands descending on the area for the event. It is expected that people heading to the event will cause significant traffic.
Just off junction 38 of the M4 we'll see big acts from the world of music grace the stage of the third year of the local festival.
Headlining the weekend will be the Kaiser Chiefs, Becky Hill and former Boyzone member Ronan Keating. The weekend will run from Thursday, May 22 (for campers) and finish on Sunday, May 25.
Delays are expected in Cardiff due to the European Rugby Challenge Cup Final, with roads closed from 4pm until around midnight on roads between the central station and the castle.
There's currently lengthy delays on the M4 Brynglas Tunnels westbound before junction 26 A4051 (Malpas Road).
Travel time is 30 minutes.
